R2026-124 Resolution Authorizing Agreement with Burns and McDonnell Engineering Company, Inc., to Provide Professional Engineering Services to the City of Decatur for the South Water Treatment Plant Expansion Plan, City Project 2025-03

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16. The sustainable landscape management alternatives will be developed at a conceptual planning level only. Up to two (2)passive vegetated stormwater management alternatives will be evaluated. 17. The constructed wetland or passive polishing system evaluation will be a high-level screening study only. The scope does not include process-level treatment modeling, detailed pH attenuation calculations, wetland biogeochemical modeling, pilot testing, hydraulic residence time optimization, detailed hydraulic modeling, groundwater modeling, or confirmation that the system can achieve a specific pH reduction. The passive polishing system concept is assumed to be a supplemental or polishing treatment approach. The scope does not assume that the passive system will replace active pH adjustment using CO2 or other chemical feed systems. 18. Conceptual layouts will be based on available mapping, record information, and readily available site information. Topographic survey, geotechnical investigation,wetland delineation, environmental permitting, and regulatory agency coordination are not included. 19. All meetings and workshops will be virtual except for two (2) in-person meetings at the City of Decatur. One of the in-person meetings will performed in conjunction with the Site Visit to be performed in Task 10 (Operational Vulnerabilities Evaluation). 20. The physical security scope is limited to providing conceptual implementation considerations. It does not include a new or updated threat and vulnerability assessment, nor does it constitute a certification of the site's security posture. 21. The design, specification, and IT integration of the security camera system and the access control system are excluded from this scope. 22. This scope of work does not include an evaluation for the presence of hazardous materials (e.g., asbestos, lead-based paint). If such materials are discovered, their identification, characterization, and abatement are outside this scope. 23. Permitting support, environmental impact assessments, and coordination with regulatory agencies other than the preliminary IDOT meeting are not included in this scope of work. 24. Operational vulnerabilities evaluation does not include the following engineered systems: water distribution, electrical, I/C, or HVAC. 25. It is understood that due to the unknown and changing nature of needs within the City over the term of this Agreement,the types of services necessary to support activities of the Project may be changed, modified, or extended beyond the areas defined in the Scope of Services. Only major tasks have been captured in the Scope of Services. It is envisioned that over the course of the project, the City may require support on other initiatives and tasks, such as hydraulic modeling, additional system testing,topographic survey, geotechnical engineering, detailed design engineering, bidding and construction services.At the discretion of the City, Consultant may be requested to provide additional City-authorized services under an amendment to this Agreement. 12